Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: HLBONHXARP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-464 A Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 0 Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 1 Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 2 Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 3 Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 4 Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 5 Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 6 Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 7 Hillsboro NH 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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